TABANIDAE FBOM FORMOSA. 
169 
Forehead narrow. Legs yellowish, fore femora black, tibiæ white. 
Length of females 17—18 mm. 
Face yellow with yellow hairs. Cheeks and subcallus a darker shade 
of yellow : Palpi the same as these last in colour, fairly stout ending- 
in an obtuse point, with black pubescence. Antennæ bzight red, the first 
two joints paler, with black hairs, the third broad at base with 
distinct tooth. 
Forehead about nine times as long as it is broad, barely half as 
wide anteriorly as it is at vertex. Frontal callus greenish yellow very 
narrow, not reaching eyes, with a lineal extension. Thorax covered with 
yellowish brown tomentum and with fulvous hairs, a few black hairs 
intermixed. Scutellum the same. Abdomen a little darker in colour, the 
stripe composed of golden yellow hairs, which are also scattered over 
the rest of the dorsum, but intermixed with black hairs, sides of abdo¬ 
men with golden yellow hairs. Legs yellowish, the fore femora black, 
the fore tibiae white, black at apex, the other tibiæ whitish yellow. 
Tarsi black, pubescence yellow on pale parts, black on the dark parts. 
Wings clear, veins yellowish. 
In Group VIII. 
6. Tabanus mandarinus Schin. 
Male from Taihorinho, female from Svihenkyaku. 
7. Tabanus amaemis Walker. 
A long series of males and females from Takao (10. VII. 1907) 
and Koshun (VII. 1909). 
8. Tabanus indianus Bicardo. 
A series of males and one female from Takao (18. VI. 1907). 
In Group IX. 
9. Tabanus fulvimedius Walker. 
Walk., List. Dipt., I, p. 152 (1848); Ricardo, Records Indian Museum, IY, 
No YI, p. 197 (1911). 
Tabanus melanopygatus, Ç, Bigot, Mem. Soc. Zool. France, p. 651 (1892). 
[Atylotus.] 
Tabanus pago dinus, Ç, Bigot, 1. c. p. 654 (1892). [Atylotus.] 
A series ol females from Kosempo,Fuhosho (1909.) and Toyenmongai, 
as usual from this Island dark in colouring. 
Type (male) and others from same localities. These are more reddish 
brown in colouring than the females. Eyes with the large facets occupying 
two thirds of the surface, almost reaching to the base of the frontal 
triangle, next the subcallus, and reaching the vertex. Palpi yellow with 
yellow and brown hairs. Beard and hairs on face yellow, some brown 
ones on the cheeks. Abdomen reddish brown on the first three segments, 
